Similar to https://git.fedorahosted.org/cgit/spin-kickstarts.git/commit/?id=1e408e111008f539c89212a9ca9bb955e2c4f823
Matching what we do in the cloud image, we also need to set the default URL for updates. Reported-by: Dennis Gilmore <dennis@ausil.us>
These are now based on https://github.com/rhinstaller/lorax/pull/8